live.lingting.virtual.currency.core.util

类 JacksonUtils

java.lang.Object

live.lingting.virtual.currency.core.util.JacksonUtils

public class JacksonUtils
extends Object

作者:

lingting 2020-09-02 17:12

构造器概要

构造器

构造器和说明
JacksonUtils()

方法概要

限定符和类型	方法和说明
static com.fasterxml.jackson.databind.JavaType	constructJavaType(Type type)
static com.fasterxml.jackson.databind.node.ArrayNode	createEmptyArrayNode()
static com.fasterxml.jackson.databind.node.ObjectNode	createEmptyJsonNode()
static void	registerSubtype(Class<?> clz, String type)
static String	toJson(Object o) 对象转 json string
static <T> T	toObj(InputStream inputStream, Class<T> t)
static <T> T	toObj(InputStream inputStream, Type type)
static <T> T	toObj(InputStream inputStream, com.fasterxml.jackson.core.type.TypeReference<T> ref)
static <T> T	toObj(String json, Class<T> t)
static <T> T	toObj(String json, Type type)
static <T> T	toObj(String json, com.fasterxml.jackson.core.type.TypeReference<T> ref)
static com.fasterxml.jackson.databind.JsonNode	transferToJsonNode(Object obj)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

JacksonUtils

public JacksonUtils()

方法详细资料

toJson

public static String toJson(Object o)
                     throws com.fasterxml.jackson.core.JsonProcessingException

对象转 json string

抛出:

com.fasterxml.jackson.core.JsonProcessingException

toObj

public static <T> T toObj(String json,
                          Class<T> t)
                   throws com.fasterxml.jackson.core.JsonProcessingException

类型参数:

T - 目标类型

参数:

json - json string

抛出:

com.fasterxml.jackson.core.JsonProcessingException

toObj

public static <T> T toObj(String json,
                          Type type)
                   throws com.fasterxml.jackson.core.JsonProcessingException

参数:

json - json string

type - 目标类型

抛出:

com.fasterxml.jackson.core.JsonProcessingException

toObj

public static <T> T toObj(String json,
                          com.fasterxml.jackson.core.type.TypeReference<T> ref)
                   throws com.fasterxml.jackson.core.JsonProcessingException

参数:

json - json string

ref - 目标类型

抛出:

com.fasterxml.jackson.core.JsonProcessingException

toObj

public static <T> T toObj(InputStream inputStream,
                          Class<T> t)
                   throws IOException

类型参数:

T - 目标类型

参数:

inputStream - json string 输入流

抛出:

IOException

toObj

public static <T> T toObj(InputStream inputStream,
                          Type type)
                   throws IOException

参数:

inputStream - json string 输入流

type - 目标类型

抛出:

IOException

toObj

public static <T> T toObj(InputStream inputStream,
                          com.fasterxml.jackson.core.type.TypeReference<T> ref)
                   throws IOException

参数:

inputStream - json string 输入流

ref - 目标类型

抛出:

IOException

registerSubtype

public static void registerSubtype(Class<?> clz,
                                   String type)

createEmptyJsonNode

public static com.fasterxml.jackson.databind.node.ObjectNode createEmptyJsonNode()

createEmptyArrayNode

public static com.fasterxml.jackson.databind.node.ArrayNode createEmptyArrayNode()

transferToJsonNode

public static com.fasterxml.jackson.databind.JsonNode transferToJsonNode(Object obj)

constructJavaType

public static com.fasterxml.jackson.databind.JavaType constructJavaType(Type type)